Factsheets

History Geology Plants Fish Birds Restoration Project Factsheets Lagoon Factsheets The Batiquitos Lagoon Foundation has produced a series of factsheets on the nature and history of the lagoon   Aquatic life at the bottom of the Lagoon Birds Butterflies Fish Geology History Timeline Insects (aquatic) Insects (terrestrial) Lagoon Dynamics Native American presence at the Lagoon […]

Restoration Project

History Geology Plants Fish Birds Restoration Project Factsheets Restoration Project In the early 80’s, the Port of Los Angeles planned to expand by dredging San Pedro harbor to 20 feet and adding port facilities. This required mitigation to compensate for destruction of coastal habitat. Batiquitos Lagoon was selected as a potential site for mitigation work […]

Fish

History Geology Plants Fish Birds Restoration Project Factsheets Fish For a printable version of this information sheet, click here.   There were only a few species of fish in Batiquitos Lagoon (just five!) before it was opened to the ocean and tides at the end of 1996. High temperatures in the summer, low oxygen levels, […]

Birds

History Geology Plants Fish Birds Restoration Project Factsheets Birds About 185 species of birds have been seen at Batiquitos Lagoon at different times of the year. A comprehensive list of these birds is available here. Birds commonly seen at the lagoon are listed below:   Shorebirds have long-pointed wings, long legs, and relatively narrow-pointed bills. […]

Geology (cont. 12)

History Geology Plants Fish Birds Restoration Project Factsheets Geology The rest of the story is in the present. Batiquitos Lagoon exists today because the ice sheets of the last ice age melted 11,000 years ago and sea level rose, flooding the deep stream valley. (This makes our “lagoon” technically an estuary rather than a lagoon, […]

Geology (cont. 11)

History Geology Plants Fish Birds Restoration Project Factsheets Geology Whenever land rises, the streams flowing across the plain cut down and make deep, large valleys. This happened along the San Diego County coastline. Then, as climate warmed, ice sheets melted and sea level rose, flooding the valley into an estuary, and causing the deposition of […]

Geology (cont. 10)

History Geology Plants Fish Birds Restoration Project Factsheets Geology The land bounced upwards frequently because of movement along the San Andreas, Rose Canyon, and other faults, raising old beaches high above sea level. Today, the old beaches lie elevated above the present beach. We can see them from the trail along the lagoon. They are […]

Geology (cont. 9)

History Geology Plants Fish Birds Restoration Project Factsheets Geology Jumping forward almost to the present, let’s look at the Batiquitos area one million years ago. This was the Pleistocene Epoch of the Cenozoic Era, and there were major climate changes. North America was in the grip of the Ice Ages. Ice sheets were sculpting the […]

Geology (cont. 8)

History Geology Plants Fish Birds Restoration Project Factsheets Geology About 20 million years ago, the Farallon Plate disappeared completely, and a large fracture zone, known today as the San Andreas Fault Zone, appeared in the Pacific floor, and cut through part of the North American continent. A slice of land began to move to the […]

Geology (cont. 7)

History Geology Plants Fish Birds Restoration Project Factsheets Geology Sea level rose and fell often during this period in geologic history, and more mud was deposited again, similar to but younger than the Del Mar Formation. Known as the Ardath Formation, it can be seen south and north of Beacon’s Beach in Leucadia. About 42 […]